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    </li> <li title="更新时间" class="lis"><img src="/assets/img/clock.ffb2d0be.svg" class="icons">2021-04-16
    </li> <li title="浏览人数" class="lis"><img src="/assets/img/eye.e9087eed.svg" class="icons">0
    </li></ul>  <div class="theme-default-content content__default"><h3 id="常用正则"><a href="#常用正则" class="header-anchor">#</a> 常用正则</h3> <p>正则，实际上是对操作对象的通用规则，理清操作对象本身的规则，正则写起来就很容易</p> <h2 id="数字千分位正则"><a href="#数字千分位正则" class="header-anchor">#</a> 数字千分位正则</h2> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token comment">/**
 * @name: formatNumber
 * @param {number} num
 * @desc: 千分位正则
 * @return {*}
 */</span>
<span class="token keyword">function</span> <span class="token function">formatNumber</span><span class="token punctuation">(</span><span class="token parameter">num</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token keyword">typeof</span> num <span class="token operator">!==</span> <span class="token string">&quot;number&quot;</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span><span class="token string">&quot;num is not a number&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token keyword">return</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
  <span class="token keyword">return</span> <span class="token punctuation">(</span><span class="token string">&quot;&quot;</span> <span class="token operator">+</span> num<span class="token punctuation">)</span><span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">(\d{1,3})(?=(\d{3})+(?:$|\.))</span><span class="token regex-delimiter">/</span><span class="token regex-flags">g</span></span><span class="token punctuation">,</span> <span class="token string">&quot;$1,&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br></div></div><h2 id="字符串正则替换"><a href="#字符串正则替换" class="header-anchor">#</a> 字符串正则替换</h2> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token comment">/**
 * 字符串正则替换
 * @param {String} data 原数据
 * @param {String} targetStr 需要替换的字符串
 * @param {String} replaceStr targetStr替换为replaceStr
 */</span>
<span class="token keyword">function</span> <span class="token function">strReplaceAll</span><span class="token punctuation">(</span>data<span class="token punctuation">,</span> targetStr <span class="token operator">=</span> <span class="token string">&quot;&quot;</span><span class="token punctuation">,</span> replaceStr <span class="token operator">=</span> <span class="token string">&quot;&quot;</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token keyword">if</span> <span class="token punctuation">(</span><span class="token keyword">typeof</span> targetStr <span class="token operator">===</span> <span class="token string">&quot;string&quot;</span> <span class="token operator">&amp;&amp;</span> <span class="token keyword">typeof</span> data <span class="token operator">===</span> <span class="token string">&quot;string&quot;</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">var</span> reg <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">RegExp</span><span class="token punctuation">(</span>targetStr<span class="token punctuation">,</span> <span class="token string">&quot;g&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    <span class="token keyword">return</span> data<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span>reg<span class="token punctuation">,</span> replaceStr<span class="token punctuation">)</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
  <span class="token keyword">return</span> data<span class="token punctuation">;</span>
<span class="token punctuation">}</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br></div></div><h2 id="特殊字符-正则判断"><a href="#特殊字符-正则判断" class="header-anchor">#</a> 特殊字符-正则判断</h2> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token keyword">let</span> reg <span class="token operator">=</span> <span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">[`~!@#$%^&amp;*()_\-+=&lt;&gt;?:&quot;{}|,.\/;'\\[\]·~！@#￥%……&amp;*（）——\-+={}|《》？：“”【】、；‘'，。、]</span><span class="token regex-delimiter">/</span><span class="token regex-flags">im</span></span><span class="token punctuation">;</span>
<span class="token keyword">if</span> <span class="token punctuation">(</span>reg<span class="token punctuation">.</span><span class="token function">test</span><span class="token punctuation">(</span>word<span class="token punctuation">)</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
  <span class="token comment">// 包含特殊字符</span>
<span class="token punctuation">}</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><h2 id="剔除-html-中标签"><a href="#剔除-html-中标签" class="header-anchor">#</a> 剔除 HTML 中标签</h2> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token comment">/**剔除字符串中HTML标签 */</span>
<span class="token keyword">let</span> textOne <span class="token operator">=</span> html<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">&lt;[^&lt;&gt;]+&gt;</span><span class="token regex-delimiter">/</span><span class="token regex-flags">g</span></span><span class="token punctuation">,</span> <span class="token string">&quot;&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h2 id="剔除字符串空格"><a href="#剔除字符串空格" class="header-anchor">#</a> 剔除字符串空格</h2> <div class="language-js line-numbers-mode"><pre class="language-js"><code>str <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">\s*</span><span class="token regex-delimiter">/</span><span class="token regex-flags">g</span></span><span class="token punctuation">,</span> <span class="token string">&quot;&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//去除字符串内所有的空格</span>

str <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">^\s*|\s*$</span><span class="token regex-delimiter">/</span><span class="token regex-flags">g</span></span><span class="token punctuation">,</span> <span class="token string">&quot;&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//去除字符串内两头的空格</span>

str <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">^\s*</span><span class="token regex-delimiter">/</span></span><span class="token punctuation">,</span> <span class="token string">&quot;&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//去除字符串内左侧的空格</span>

str <span class="token operator">=</span> str<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">(\s*$</span><span class="token regex-delimiter">/</span><span class="token regex-flags">g</span></span><span class="token punctuation">,</span> <span class="token string">&quot;&quot;</span><span class="token punctuation">)</span><span class="token punctuation">;</span> <span class="token comment">//去除字符串内右侧的空格</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br></div></div><h2 id="校验-11-位手机号"><a href="#校验-11-位手机号" class="header-anchor">#</a> 校验 11 位手机号</h2> <p><a href="https://baike.baidu.com/item/%E6%89%8B%E6%9C%BA%E5%8F%B7%E7%A0%81" target="_blank" rel="noopener noreferrer">手机号码-百度百科<span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></p> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token keyword">export</span> <span class="token keyword">const</span> <span class="token function-variable function">telPhone</span> <span class="token operator">=</span> <span class="token punctuation">(</span><span class="token parameter">val</span><span class="token punctuation">)</span> <span class="token operator">=&gt;</span> <span class="token punctuation">{</span>
  <span class="token keyword">const</span> reg <span class="token operator">=</span> <span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">^1(3|4|5|6|7|8|9)\d{9}$</span><span class="token regex-delimiter">/</span></span><span class="token punctuation">;</span>
  <span class="token keyword">if</span> <span class="token punctuation">(</span>reg<span class="token punctuation">.</span><span class="token function">test</span><span class="token punctuation">(</span>val<span class="token punctuation">)</span> <span class="token operator">===</span> <span class="token boolean">false</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token boolean">false</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span> <span class="token keyword">else</span> <span class="token punctuation">{</span>
    <span class="token keyword">return</span> <span class="token boolean">true</span><span class="token punctuation">;</span>
  <span class="token punctuation">}</span>
<span class="token punctuation">}</span><span class="token punctuation">;</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br></div></div><h2 id="只能输入数字或字母"><a href="#只能输入数字或字母" class="header-anchor">#</a> 只能输入数字或字母</h2> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token keyword">const</span> Code_REGX <span class="token operator">=</span> <span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">^[0-9a-zA-Z]*$</span><span class="token regex-delimiter">/</span></span><span class="token punctuation">;</span> <span class="token comment">//只能输入数字或字母</span>
<span class="token keyword">const</span> Num_Regx <span class="token operator">=</span> <span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">^[0-9]*$</span><span class="token regex-delimiter">/</span></span><span class="token punctuation">;</span> <span class="token comment">//只能输入数字</span>
<span class="token operator">^</span><span class="token punctuation">(</span><span class="token number">0</span><span class="token operator">|</span><span class="token punctuation">[</span><span class="token number">1</span><span class="token operator">-</span><span class="token number">9</span><span class="token punctuation">]</span><span class="token punctuation">[</span><span class="token number">0</span><span class="token operator">-</span><span class="token number">9</span><span class="token punctuation">]</span><span class="token operator">*</span><span class="token punctuation">)</span>$ <span class="token comment">//非0开头数字</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br></div></div><h2 id="取字符串中数字"><a href="#取字符串中数字" class="header-anchor">#</a> 取字符串中数字</h2> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token keyword">let</span> s <span class="token operator">=</span> <span class="token string">&quot;wws34dsww&quot;</span><span class="token punctuation">;</span>
s<span class="token punctuation">.</span><span class="token function">replace</span><span class="token punctuation">(</span><span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">[^0-9]</span><span class="token regex-delimiter">/</span><span class="token regex-flags">gi</span></span><span class="token punctuation">,</span> <span class="token string">&quot;&quot;</span><span class="token punctuation">)</span> <span class="token operator">=</span> <span class="token number">34</span><span class="token punctuation">;</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br></div></div><h2 id="只能输入数字-英文-汉字"><a href="#只能输入数字-英文-汉字" class="header-anchor">#</a> 只能输入数字\英文\汉字</h2> <div class="language-js line-numbers-mode"><pre class="language-js"><code><span class="token regex"><span class="token regex-delimiter">/</span><span class="token regex-source language-regex">^[0-9a-zA-Z\u4E00-\u9FA5]*$</span><span class="token regex-delimiter">/</span></span><span class="token punctuation">;</span>
</code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br></div></div></div> <div class="page-nav"><p class="inner"><span class="prev">
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